Potimas Harrifenas is the elf patriarch and ambassador of the Elf Village.
SpoilerPotimas is known for being extremely cunning and a brilliant inventor, due to his selfish pursuit and actions that constantly push the world into destruction, he is considered one of the main antagonist of the series. Using his extensive networks of spies, connections, magical gadgets and a league of followers makes him a troublesome foe to deal with.
(Source: Kumo Desu Ga, Nani Ka? Wiki)